Resident Population in Ringgold County, IA was 4.64200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Ringgold County, IA reached a record high of 6.40000 in January of 1971 and a record low of 4.62600 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Ringgold County, IA - last updated from the United States Federal Reserve on May of 2024.